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Simplify Each Radical Expression. Leave in radical form. (Do not use decimals.) 2[√(5)] + 3[√(20)]

Simplify Each Radical Expression. Leave in radical form. (Do not use decimals.) 2[√(5)] + 3[√(20)]
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Simplify Each Radical Expression. Leave in radical form. (Do not use decimals.)

2[√(5)] + 3[√(20)]

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User MVanOrder
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1 Answer

7 votes


2\sqrt 5 + 3 √(20)\\\\\\=2\sqrt 5 + 3 √(4 * 5)\\\\\\=2\sqrt 5+ 3\cdot 2 \sqrt 5\\\\\\=2\sqrt 5 + 6 \sqrt 5\\\\\\=8\sqrt 5

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User Sebster
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6.8k points
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